// rollovers
  
  if( document.images )
  {
    // cache all images
    
    bounceparkTopNav        = new Image();
    bounceparkTopNav_ro     = new Image();
    playground        = new Image();
    playground_ro     = new Image();
    restaurant        = new Image();
    restaurant_ro     = new Image();
    parties           = new Image();
    parties_ro        = new Image();
    games             = new Image();
    games_ro          = new Image();
    coupons            = new Image();
    coupons_ro         = new Image();
//    shop              = new Image();
//    shop_ro           = new Image();
//    store             = new Image();
//    store_ro          = new Image();
    findus            = new Image();
    findus_ro         = new Image();
    explore           = new Image();
    explore_ro        = new Image();


    bounceparkTopNav.src    = "/resources/images/nav/bouncepark.png";
    bounceparkTopNav_ro.src = "/resources/images/nav/bouncepark_ro.png";
    playground.src    = "/resources/images/nav/playground.png";
    playground_ro.src = "/resources/images/nav/playground_ro.png";
    restaurant.src    = "/resources/images/nav/restaurant.png";
    restaurant_ro.src = "/resources/images/nav/restaurant_ro.png";
    parties.src       = "/resources/images/nav/parties.png";
    parties_ro.src    = "/resources/images/nav/parties_ro.png";
    games.src         = "/resources/images/nav/games.png";
    games_ro.src      = "/resources/images/nav/games_ro.png";
    coupons.src         = "/resources/images/nav/coupons.png";
    coupons_ro.src      = "/resources/images/nav/coupons_ro.png";
//    shop.src          = "/resources/images/nav/shop.png";
//    shop_ro.src       = "/resources/images/nav/shop_ro.png";
//    store.src         = "/resources/images/nav/store.png";
//    store_ro.src      = "/resources/images/nav/store_ro.png";
    findus.src        = "/resources/images/nav/findus.png";
    findus_ro.src     = "/resources/images/nav/findus_ro.png";
    explore.src       = "/resources/images/nav/explore.png";
    explore_ro.src    = "/resources/images/nav/explore_ro.png";
  }



  // *************************************************************************************************************
  // use of eval() saves us coding

  function rolloverOn( imageName ) { if( document.images ) document[ imageName ].src = eval( imageName + "_ro.src" ); }
  function rolloverOff( imageName ) { if( document.images ) document[ imageName ].src = eval( imageName + ".src" ); }